Socket screws have an allen wrench drive.

Metric socket button head, 6mm x 65mm

Socket button head screw

Socket button head

Button heads are rounded and low profile. Allen (hex socket) drive is a six-sided recess for use with an allen wrench (hex key).

  • Class 12.9 alloy steel black oxide finish

See also

Set screw

Metric set screws

Screws with no head and machine threads for use in a tapped hole.

Shoulder bolt

Metric shoulder bolts

Screws with an unthreaded shoulder that is larger in diameter than the threads. Also known as stripper bolts.